\eqcolon - LaTeX Symbol

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\eqcolon

The symbol \eqcolon is used to denote that the expression on the left-hand side is defined to be equal to the expression on the right-hand side. It is a way to introduce a definition or to state that a particular expression is being defined as something else.

Examples

a - : b + c

Defines 'a' as the sum of 'b' and 'c'.

a \eqcolon b + c

f (x) - : x^{2} + 2 x + 1

Defines the function f(x) as a quadratic expression.

f(x) \eqcolon x^2 + 2x + 1

T - : \frac{1}{2} m v^{2}

Defines 'T' as the kinetic energy in terms of mass 'm' and velocity 'v'.

T \eqcolon \frac{1}{2}mv^2